Class: Mail2cb::EmailWatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/mail2cb/email_watcher.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EmailWatcher

Returns a new instance of EmailWatcher.



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# File 'lib/mail2cb/email_watcher.rb', line 9

def initialize

  raise "REDIS_URL environment variable is required (eg redis://localhost:6739)" unless ENV["REDIS_URL"]
  raise "MYSQL_HOST environment variable is required" unless ENV["MYSQL_HOST"]
  raise "MYSQL_DATABASE environment variable is required" unless ENV["MYSQL_DATABASE"]
  raise "MYSQL_USERNAME environment variable is required" unless ENV["MYSQL_USERNAME"]
  raise "MYSQL_PASSWORD environment variable is required" unless ENV["MYSQL_PASSWORD"]

  unless ENV["AWS_ACCESS_KEY"] && ENV["AWS_SECRET_KEY"] && ENV["AWS_MAILROOM_BUCKET"]
    puts "WARNING: Attachments will store to local file system as AWS keys not provided"
  end


  ENV["MYSQL_PASSWORD"] = "" unless ENV["MYSQL_PASSWORD"]
  ENV["MYSQL_PORT"] = "3306"
  @debug = ENV["DEBUG"] == "true"

  redis_url = URI.parse(ENV["REDIS_URL"])

  $redis = Redis.new(:host => redis_url.host, :port => redis_url.port)

  Signal.trap("INT") {
    Thread.new {self.stop}.join
  }
  # Trap `Kill `
  Signal.trap("TERM") {
    Thread.new {self.stop}.join
  }

  @daemon = MailDaemon::Handler.new(:connections => configuration, :debug => @debug)
end

Instance Method Details

#configuration ⇒ Object 



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# File 'lib/mail2cb/email_watcher.rb', line 53

def configuration
  mailboxes = []
  mysql_client do |mysql|
    sql="    SELECT case_blocks_email_accounts.id,\n      case_blocks_accounts.id as account_id,\n      case_blocks_accounts.nickname,\n      case_blocks_email_accounts.imap_username,\n      case_blocks_email_accounts.imap_encrypted_password,\n      case_blocks_email_accounts.imap_host,\n      case_blocks_email_accounts.imap_port,\n      case_blocks_email_accounts.imap_ssl,\n      case_blocks_email_accounts.imap_start_tls,\n      case_blocks_email_accounts.imap_folder_name,\n      case_blocks_email_accounts.imap_search_command,\n      case_blocks_email_accounts.imap_messages_processed,\n      case_blocks_email_accounts.imap_last_processed_at,\n      u.authentication_token\n    FROM case_blocks_email_accounts\n    JOIN case_blocks_accounts\n    ON case_blocks_email_accounts.account_id = case_blocks_accounts.id\n    JOIN case_blocks_users u\n    ON u.account_id = case_blocks_accounts.id\n    where imap_enabled=1\n    and u.is_bot=1\n    and u.is_account_admin=1\n"
    statement = mysql.prepare(sql)
    result = statement.execute()
    result.each do |row|
      ssl_options = row["imap_ssl"]==1 ? {:verify_mode => OpenSSL::SSL::VERIFY_NONE} : false

      auth_token = row["authentication_token"]
      decrypted_password = Encryption.new(auth_token).decrypt(row["imap_encrypted_password"])
      puts "decrypted password: #{decrypted_password}"
      mailboxes << {:id => row["id"], :account_code => row["nickname"], :account_id => row["account_id"], :username => row["imap_username"], :host => row["imap_host"], :port => row["imap_port"], :password => decrypted_password, :ssl_options => ssl_options, :start_tls => row["imap_start_tls"]==1, :name => row["imap_folder_nam"], :search_command => row["imap_search_command"], :message_count => row["imap_messages_processed"], :last_delivered_at => row["imap_last_processed_at"]}
    end
  end
  mailboxes
end

#handle_incoming_message(options) ⇒ Object 



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# File 'lib/mail2cb/email_watcher.rb', line 98

def handle_incoming_message(options)
  update_message_counts(options)
  @handler = Mail2cb::EmailHandler.new(options)
  @handler.sanitize!
  # @handler.clean_replies!
  @handler.queue!

  puts "Queued."
end

#restart ⇒ Object 



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# File 'lib/mail2cb/email_watcher.rb', line 94

def restart
  @daemon.reload(:connections => configuration)
end

#start ⇒ Object 



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# File 'lib/mail2cb/email_watcher.rb', line 41

def start
  Thread.new do
    @daemon.start do |message, type|
      if type == "status_update"
        update_status(message)
      else
        handle_incoming_message(message)
      end
    end
  end
end

#update_message_counts(options) ⇒ Object 



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# File 'lib/mail2cb/email_watcher.rb', line 108

def update_message_counts(options)
  begin
    options[:mailbox][:message_count] = options[:mailbox][:message_count] + 1
    options[:mailbox][:last_delivered_at] = DateTime.now

    if (ENV["FAYE_HOST"])
      Thread.new { EventMachine.run } unless EventMachine.reactor_running?
      Thread.pass until EventMachine.reactor_running?
      client = Faye::Client.new("#{ENV["FAYE_HOST"]}:#{ENV["FAYE_PORT"]}/faye")
      client.publish("/case_blocks/account/#{options[:mailbox][:account_id]}/imap_server_new_message/#{options[:mailbox][:id]}", {'message_count' => options[:mailbox][:message_count], 'last_delivered_at' => options[:mailbox][:last_delivered_at]})
      client.disconnect
    end
    mysql_client do |mysql|
      status_message = options[:status]
      statement = mysql.prepare("UPDATE case_blocks_email_accounts SET imap_messages_processed='#{options[:mailbox][:message_count]}', imap_last_processed_at='#{options[:mailbox][:last_delivered_at]}' where id=?")
      statement.execute(options[:mailbox][:id])
    end
  rescue => e
    puts e.message
    puts e.backtrace.join("\n")
  end
end

#update_status(options) ⇒ Object 



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# File 'lib/mail2cb/email_watcher.rb', line 131

def update_status(options)
  begin
    puts "Status Update: #{options[:status]} for #{options[:mailbox][:username]}"
    if (ENV["FAYE_HOST"])
      Thread.new { EventMachine.run } unless EventMachine.reactor_running?
      Thread.pass until EventMachine.reactor_running?
      client = Faye::Client.new("#{ENV["FAYE_HOST"]}:#{ENV["FAYE_PORT"]}/faye")
      client.publish("/case_blocks/account/#{options[:mailbox][:account_id]}/imap_server_status_updated/#{options[:mailbox][:id]}", {'status' => options[:status].gsub("_", " ")})
      client.disconnect
    end
    mysql_client do |mysql|
      status_message = options[:status]
      statement = mysql.prepare("UPDATE case_blocks_email_accounts SET imap_status='#{options[:status]}', imap_status_message='#{status_message}' where id=?")
      statement.execute(options[:mailbox][:id])
    end
  rescue => e
    puts e.message
    puts e.backtrace.join("\n")
  end
end